View Theraflu Tea Vs Dayquil Pictures. Vicks dayquil cold & flu relief (acetaminophen/dextromethorphan/phenylephrine). This is just one of those trial and error things you're going to have to do yourself.sorry.
I took dayquil due to head congestion and pain.
To name just a few: Between the two i like the theraflu better though.i think just because it's warm it helps more. Try vicks dayquil severe cold & flu relief. I have use theraflu in the past for relief of my cold symptoms but not tried the theraflu® daytime and nighttime severe cold & cough tea infusion value pack hot liquid power.